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<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" /><title>5.19. Example - Bar Chart with Data Value Labels</title><link rel="stylesheet" type="text/css" href="phplotdoc.css" /><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="PHPlot Reference Manual" /><link rel="up" href="examples.html" title="Chapter 5. PHPlot Examples" /><link rel="prev" href="ex-twoplot1.html" title="5.18. Example - Two Plots on One Image" /><link rel="next" href="ex-stackedbars3.html" title="5.20. Example - Stacked Bars with Y Data Value Labels" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">5.19. Example - Bar Chart with Data Value Labels</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ex-twoplot1.html">Prev</a> </td><th width="60%" align="center">Chapter 5. PHPlot Examples</th><td width="20%" align="right"> <a accesskey="n" href="ex-stackedbars3.html">Next</a></td></tr></table><hr /></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="ex-bars4"></a>5.19. Example - Bar Chart with Data Value Labels</h2></div></div></div><p>
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This is a bar chart with data value labels. Data value labels can be used as an
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alternative to (or along with) Y tick labels, but only with bar and stackedbar
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charts.
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(Bar chart data value labels were added to PHPlot-5.0rc3.)
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</p><div class="example"><a id="example-bars4"></a><p class="title"><strong>Example 5.19. Bar Chart with Data Value Labels</strong></p><div class="example-contents"><div class="informalfigure"><div class="mediaobject"><img src="examples/bars4.png" alt="Bar Chart with Data Value Labels Example" /></div></div><pre class="programlisting"><?php
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# PHPlot Example: Bar chart, with data labels
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require_once 'phplot.php';
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$data = array(
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array('China', 1306.31), array('India', 1080.26),
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array('United States', 295.73), array('Indonesia', 241.97),
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array('Brazil', 186.11), array('Pakistan', 162.42),
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array('Bangladesh', 144.32), array('Russia', 143.42),
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);
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$plot = new PHPlot(800, 600);
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$plot->SetImageBorderType('plain');
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$plot->SetPlotType('bars');
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$plot->SetDataType('text-data');
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$plot->SetDataValues($data);
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$plot->SetTitle("World's Most Populous Countries\n2005 Population in Millions");
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# Turn off X tick labels and ticks because they don't apply here:
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$plot->SetXTickLabelPos('none');
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$plot->SetXTickPos('none');
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# Make sure Y=0 is displayed:
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$plot->SetPlotAreaWorld(NULL, 0);
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# Y Tick marks are off, but Y Tick Increment also controls the Y grid lines:
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$plot->SetYTickIncrement(100);
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# Turn on Y data labels:
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$plot->SetYDataLabelPos('plotin');
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# With Y data labels, we don't need Y ticks or their labels, so turn them off.
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$plot->SetYTickLabelPos('none');
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$plot->SetYTickPos('none');
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# Format the Y Data Labels as numbers with 1 decimal place.
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# Note that this automatically calls SetYLabelType('data').
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$plot->SetPrecisionY(1);
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$plot->DrawGraph();
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</pre></div></div><br class="example-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ex-twoplot1.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="examples.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="ex-stackedbars3.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">5.18. Example - Two Plots on One Image </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> 5.20. Example - Stacked Bars with Y Data Value Labels</td></tr></table></div></body></html>
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